Date: 9 months ago   Category: Hi-Tech

Release of system of initialization of GNU Shepherd 0.5


The service manager of GNU Shepherd 0.5 (the former dmd) which develops developers of the GuixSD GNU/Linux distribution kit as an alternative of the system of initialization SysV-init with support of dependences has seen the light. The operating demon and utilities of Shepherd are written in the Guile language (one of realization of the Scheme language) which is also used for definition of settings and parameters of start of services.

of Shepherd can be used as the main system of initialization (init with PID 1), and in the isolated look for management of background processes of certain users (for example, for start of tor, privoxy, mcron, etc.), started with the rights of these users. Shepherd performs work on start and a stop of services, considering interrelation between services, dynamically defining and starting services on which the chosen service depends.

of Shepherd also supports definition of the conflicts between services and prevents their simultaneous performance. Shepherd is already applied in the GuixSD GNU/Linux distribution kit and is aimed also at use in GNU/Hurd, but can work in any POSIX - compatible OS to which the Guile language is available.

Main innovations: The feature for definition of replacement of services is added; At service restart also all are restarted services, dependent on him, now; The mode of soft completion of work (gracefull) when pressing ctrl-alt-del Is added (works only at start as PID 1 in GNU/Linux); Actions can be caused for the services which aren't started at the moment now; Support of Guile 3.0 Is added. Work requires at least Guile 2.0.13 now; Not used code with realization of levels of start (runlevel) Is removed. On materials: www.opennet.ru

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